Pond Algae Block

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Colour of blocks may vary from picture.

Pond One Algae Block effectively controls most algae common to freshwater fish ponds. It kills growing algae and prevents algae from recurring. This block is best used as a preventative or when algae first appears or after cleaning algae infested pond. Blocks will dissolve over 7-14 days depending on the water conditions and circulation. if possible, control the amount of sunlight to reduce the growth of algae. Repeat only when algae reappears. To prevent oxygen depletion, remove heavy algae growths mechanically before treatment and aerate the water after use. 

ACTIVE CONSTITUENT: 13.75g/kg DIURON

DOSAGE: Use one section of the block per 200 litres of water. One complete block will treat 800 litres.

TO CALCULATE APPROXIMATE POND CAPACITY:
Length (m) x Width (m) x Average Depth. (measurements in metres x 1000 for litres). For More information for Round or Shaped Ponds is in the Help Centre.